Attachment for heading saws



J. A. STAUBER.

ATTACHMENT FOR HEADING SAWS. APPLICATION FILED OCT. 19, 1914. RENEWED OCT. 13.1919.

Patented Dec. 9, 1919.

Illl

pence sTATns PATENT OFFICE.

JOSEPH A. STAUBER, 0F PARK FALLS, WISCONSIN ATTAonivmnT non HEADING saws.

Specification of Letters Patent.

Patented Dec. 9, 1919.

Application filed October 19, 1914, Serial No. 867,462. Renewed October 13, 1919. Serial No. 330,522.

To all whom it may concern:

Be it known that I, JOSEPH A. STAUBER, a citizen of the United States, residing at Park Falls, in the county of Price and State of Wisconsin, have invented certain new and useful Improvements in Attachments for Heading Saws, of which the following is a specification.

The invention relates to a guard attachment for sawing machines, and especially to the type of sawing machine commonly known as a heading sawing machine.

The object of my invention is the production of an eificient guard means readily attachable and adjustable on the stationary gage of a heading sawing machine and so arranged as to prevent pieces of lumber being severed from falling back in front of the saw, thus hindering the savvyer in his work and often resulting in ruining the sev ered piece which falls in contact with the path of the saw. The present invention will overcome these disadvantages and is readily attachable to a sawing machine now in use and may be adjusted radially to the saw.

Applicant is aware that patents have heretoiore been granted showing this idea broadly, such as in the patent to Rice #99237, but notwithstandingthis, the present invention has been devised.

Other objects as well as the nature, characteristic features and scope of my invention will be more readily understood from the following description taken in connection with the accompanying drawings and pointed out in the claims forming apart of this specification.

In the drawings:

Figure 1 is a fragmentary top plan view of my invention applied to a support and associated with the saw;

Fig. 2 is a perspective view of my invention detached; and

Fig. 3 is an end elevational view of the that the'free extremity of the curved blade same.

Fig. 4 is a side elevational view. of my invention associated witha heading machine,

in dotted lines, illustrating to advantage the invention associated therewith.

Like characters denote similar and like parts throughout the specification and draw-' lngs- A guard attachment according to the invention is applicable t6 the type of maat one end to one endof the bar or plate 1,

the blade being curved on an arc outwardly from the plate. on the opposite side of the same end of the plate l is secured an angle iron 3 which has one of its sides projected laterally from the bar in the direction opposite to the curved blade and has an inwardly extending longitudinal slot 4c therein, the other arm of the angle iron being secured to the bar. The angle iron 3 and the blade 2 are secured to the plate by means of bolts 5 which extend through the angle iron, the plate and the blade and have washers 6 and nuts 7 on their free ends. Any other manner of securement may be substituted for the bolts 5, but it is to be under stood that the spring blade is to have a longitudinal adjustment relative to the plate 1. In the present instance, this is efiected by a longitudinal slot 8 in the spring through which the two bolts 5 extend and by a tightening and loosening of the nuts 7, the adjustment of the blade 2 may be effected. To apply the guard attachment to the sawing-machine, the plate 1 is provided at an intermediate portion with an aperture 9 through which is to extend the usual bolt 0 primarily provided for securing the gage proper G into position. The plate is extended horizontally and the slotted portion 4 of the angle iron 3 is arranged about the usual adjusting screwor bolt (Z on the side of the gage adjacent the saw in order to give the end of the plate carrying the blade 2 lateral support, and

permitting it to be adjusted toward or from the saw so as to move the free extremity of the blade 2 in adjusted positions relative to the side of the saw. It is understood,

varied by an adjustment ofthe blade longitudinally of the plate 1 and radially of the saw by a manipulation of the nuts 7, in the manner which will be readily understood. It will also be understood that the tree extremity of the blade 2 he adjusted to- 'desir d to a machine is as follows:

Assume that a block or log is on the carriage A and that it is being swung into ongagement with the teeth of the saw. Before a. strip is entirely severed from the blocks, the strip will engage the spring blade" and pass beyond its extremity, the blade being straightened to a degree as the strip being severed passes, but the blade will innnediately spring back into normal position after the strip has passed to serve its purpose as a guard preventing the severed strip from falling back or being brought back' with. the remaining portion of the block as the carriage swings back from the saw. The severed strip, therefore, will not fall in the way of the sawyer and hinder a further op nation of the carriage or the adjustment of the block on the carriage; furthermore, the severed strip will not fall in the way of the teeth of the saw and be otherwise marred or destroyed. "-If it is desired to adjust the relation of the guard blade with respect to the diameter of the saw, the nuts 7 on the bolts 6 may be loosened and the spring blade slid toward or from the shaft or axis of the saw blade and longitudinally of the plate 2 until a adjustment has been obtained, whereupon the nuts are again clamped into position. lVhen it is desired to vary the adjustment of the free end of the curved guard blade with respect to the side surface of the saw, for purposes understood by those skilled in the art, thebolt (Z is loosened so as to permit the sliding adjustment of the angle iron on the bolt and relative to the age, by virtue of the slot & in the angle iron. Simultaneously with this operation, the nut c is adjusted on the bolt 0. It is, of course, obvious to obtain a firm support on the blade 1 that a suitable space block (not shown) may be inserted between the plate 2 and the gage 3.

From the above description taken in connection with the accompanying drawings it can easily be seen that I have provided a device that is simple in construction con taining but a few simple parts that can be chtaply manufactured and assembled and when'assernbled can be placed upon the mar lret andsold at a minimum cost.

It will be understood that the above description and accompanying drawings comprehend only the eneral. and preferred embodiment of my invention and that various minor changes in detail of construction, proortion and arran ement of the arts ma I) r:

be made within the scope of the appended clanns and without sacrificing any of the advantages of my invention.

Having thus fully described my inven-' tion, what I claim as new'and desire to secure by Letters Patent, is

l. A guard attachment for heading sawing machines, which comprises an elongated supporting bar adapted to be attached to the gage thereof, a resilient blade arranged substantially longitudinally of the bar and having a longitudinally extending slot in one end thereof, means extending through said slot to adjustably connect the blade with one side of the bar and near one end,

the blade having a longitudinal adjustment relative to the bar and having its free portion arcuate so that the outer end lies in proximity to one side face of the saw, and an L-shaped extension projecting from and connected to the opposite side of said end of the bar and having a slot therein for adjustable engagement with a securing member on the saw gage.

2. A guard attachment for heading sawing machines, which comprises an elongated supporting bar capable of being attached to a stationary gage of the saw and adapted to extend horizontally thereto, a slotted L- shaped lateral extension secured to one and near one end of the bar for adjustable engagement with a securing member on the gage to effect transverse adjustments of the bar relative to the saw, a slotted resilient blade arranged substantially longitudinally of the supporting bar and having one end secured to the opposite side of the bar to which is secured the extension and admitting of a longitudinal adjustment of the blade relative to the bar, said blade being arcuate in the portion extending from the supporting bar for positioning its free end to normally lie in close proximity relative to one side of the saw.

3. A guard saw attachment, which coinprises an elongated supporting bar adapter for attachment to the saw gage, an adjustable resilient blade consisting of a straight portion and a curved portion whose free end is adapted to lie adjacent one lateral face of the saw, said blade straight portion being adjustably connected with one side of the supporting bar so that it is capable of being radially adjusted toward or from the saw carrying arbor, and at the same time varying the resiliency of the curved portion, and an adjustable L-shaped member adapted to have its ends connected, respeetively, to the saw gage and to the opposite side of the bar to which is connected the re silicnt blade.

In testimony whereof I afiix my signature in presence of two witnesses.

JosEPH- A. STAUBER. 

